[turbofan] Introduce JSToInteger and JSToLength operators.

src/compiler/js-generic-lowering.cc

Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index 98b915c11d4984edbf36d6b7c55ae9399e112751..1f12579ec7cc7ec9506d38c577b8c610a61e0749 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -106,6 +106,13 @@ REPLACE_STUB_CALL(Equal)
 REPLACE_STUB_CALL(NotEqual)
 REPLACE_STUB_CALL(StrictEqual)
 REPLACE_STUB_CALL(StrictNotEqual)
+REPLACE_STUB_CALL(ToBoolean)
+REPLACE_STUB_CALL(ToInteger)
+REPLACE_STUB_CALL(ToLength)
+REPLACE_STUB_CALL(ToNumber)
+REPLACE_STUB_CALL(ToName)
+REPLACE_STUB_CALL(ToObject)
+REPLACE_STUB_CALL(ToString)
 #undef REPLACE_STUB_CALL
 
 void JSGenericLowering::ReplaceWithStubCall(Node* node, Callable callable,
@@ -144,41 +151,6 @@ void JSGenericLowering::LowerJSTypeOf(Node* node) {
 }
 
 
-void JSGenericLowering::LowerJSToBoolean(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToBoolean(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
-void JSGenericLowering::LowerJSToNumber(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToNumber(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
-void JSGenericLowering::LowerJSToString(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToString(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
-void JSGenericLowering::LowerJSToName(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToName(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
-void JSGenericLowering::LowerJSToObject(Node* node) {
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  Callable callable = CodeFactory::ToObject(isolate());
-  ReplaceWithStubCall(node, callable, flags);
-}
-
-
 void JSGenericLowering::LowerJSLoadProperty(Node* node) {
   Node* closure = NodeProperties::GetValueInput(node, 2);
   Node* effect = NodeProperties::GetEffectInput(node);